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touched up raw memory access primitives

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This commit is contained in:
hyunghwan.chung 2017-04-27 15:40:04 +00:00
parent b0a3b4aef7
commit 9ee7d9e110
3 changed files with 251 additions and 82 deletions
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2
moo/kernel/Mill.moo
View File

@ -338,7 +338,7 @@ a := System _malloc(200).
i := 0.
while (i < 26)
{
a putUint8(i, ($A asInteger + i)).
a putUint32(i, ($A asInteger + i)).
i := i + 1.
}.
while (i > 0)

31
moo/lib/bigint.c
View File

@ -233,17 +233,12 @@ MOO_INLINE static int is_bigint (moo_t* moo, moo_oop_t x)
{
moo_oop_class_t c;
/*MOO_ASSERT (moo, MOO_OOP_IS_POINTER(x));*/
if (!MOO_OOP_IS_POINTER(x)) return 0;
/* TODO: is it better to introduce a special integer mark into the class itself */
/* TODO: or should it check if it's a subclass, subsubclass, subsubsubclass, etc of a large_integer as well? */
c = MOO_OBJ_GET_CLASS(x);
if (c == moo->_large_positive_integer ||
c == moo->_large_negative_integer) return 1;
return 0;
return (c == moo->_large_positive_integer || c == moo->_large_negative_integer);
}
MOO_INLINE int moo_isint (moo_t* moo, moo_oop_t x)
@ -257,7 +252,7 @@ static MOO_INLINE int bigint_to_oow (moo_t* moo, moo_oop_t num, moo_oow_t* w)
{
MOO_ASSERT (moo, MOO_OOP_IS_POINTER(num));
MOO_ASSERT (moo, MOO_OBJ_GET_CLASS(num) == moo->_large_positive_integer ||
MOO_OBJ_GET_CLASS(num) == moo->_large_negative_integer);
MOO_OBJ_GET_CLASS(num) == moo->_large_negative_integer);
#if (MOO_LIW_BITS == MOO_OOW_BITS)
MOO_ASSERT (moo, MOO_OBJ_GET_SIZE(num) >= 1);
@ -283,6 +278,7 @@ static MOO_INLINE int bigint_to_oow (moo_t* moo, moo_oop_t num, moo_oow_t* w)
# error UNSUPPORTED LIW BIT SIZE
#endif
moo->errnum = MOO_ERANGE;
return 0; /* not convertable */
}
@ -346,8 +342,25 @@ int moo_inttoooi (moo_t* moo, moo_oop_t x, moo_ooi_t* i)
int n;
n = moo_inttooow (moo, x, &w);
if (n < 0) *i = -w;
else if (n > 0) *i = w;
if (n < 0)
{
MOO_ASSERT (moo, MOO_TYPE_MAX(moo_ooi_t) + MOO_TYPE_MIN(moo_ooi_t) == -1); /* assume 2's complement */
if (w > (moo_oow_t)MOO_TYPE_MAX(moo_ooi_t) + 1)
{
moo->errnum = MOO_ERANGE; /* not convertable. number too small */
return 0;
}
*i = -w;
}
else if (n > 0)
{
if (w > MOO_TYPE_MAX(moo_ooi_t))
{
moo->errnum = MOO_ERANGE; /* not convertable. number too big */
return 0;
}
*i = w;
}
return n;
}

298
moo/lib/exec.c
View File

@ -1470,6 +1470,8 @@ static MOO_INLINE moo_pfrc_t pf_basic_new (moo_t* moo, moo_ooi_t nargs)
return MOO_PF_FAILURE;
}
/* TOOD: check if _class is set to be instantiatable... if not MOO_EPERM */
if (nargs >= 1)
{
szoop = MOO_STACK_GETARG(moo, nargs, 0);
@ -3003,51 +3005,208 @@ static moo_pfrc_t pf_smptr_free (moo_t* moo, moo_ooi_t nargs)
}
#define FETCH_RAW_INT(var,rawptr,offset,size) \
switch (size) \
{ \
case 1: var = *(moo_int8_t*)&rawptr[offset]; break; \
case 2: var = *(moo_int16_t*)&rawptr[offset]; break; \
case 4: var = *(moo_int32_t*)&rawptr[offset]; break; \
case 8: var = *(moo_int64_t*)&rawptr[offset]; break; \
default: var = *(moo_int8_t*)&rawptr[offset]; break; \
#pragma pack(1)
struct st_int8_t { moo_int8_t v; };
struct st_int16_t { moo_int16_t v; };
struct st_int32_t { moo_int32_t v; };
struct st_uint8_t { moo_uint8_t v; };
struct st_uint16_t { moo_uint16_t v; };
struct st_uint32_t { moo_uint32_t v; };
#if defined(MOO_HAVE_UINT64_T)
struct st_int64_t { moo_int64_t v; };
struct st_uint64_t { moo_uint64_t v; };
#endif
#if defined(MOO_HAVE_UINT128_T)
struct st_int128_t { moo_int128_t v; };
struct st_uint128_t { moo_uint128_t v; };
#endif
#pragma pack()
static MOO_INLINE moo_oop_t _fetch_raw_int (moo_t* moo, moo_int8_t* rawptr, moo_oow_t offset, int size)
{
moo_ooi_t v;
switch (size)
{
case 1:
v = ((struct st_int8_t*)&rawptr[offset])->v;
break;
case 2:
v = ((struct st_int16_t*)&rawptr[offset])->v;
break;
case 4:
v = ((struct st_int32_t*)&rawptr[offset])->v;
break;
#if defined(MOO_HAVE_INT64_T) && (MOO_SIZEOF_OOW_T >= MOO_SIZEOF_INT64_T)
case 8:
v = ((struct st_int64_t*)&rawptr[offset])->v;
break;
#endif
#if defined(MOO_HAVE_INT128_T) && (MOO_SIZEOF_OOW_T >= MOO_SIZEOF_INT128_T)
case 16:
v = ((struct st_int128_t*)&rawptr[offset])->v;
break;
#endif
default:
moo->errnum = MOO_EINVAL;
return MOO_NULL;
}
#define FETCH_RAW_UINT(var,rawptr,offset,size) \
switch (size) \
{ \
case 1: var = *(moo_uint8_t*)&rawptr[offset]; break; \
case 2: var = *(moo_uint16_t*)&rawptr[offset]; break; \
case 4: var = *(moo_uint32_t*)&rawptr[offset]; break; \
case 8: var = *(moo_uint64_t*)&rawptr[offset]; break; \
default: var = *(moo_uint8_t*)&rawptr[offset]; break; \
return moo_ooitoint (moo, v);
}
static MOO_INLINE moo_oop_t _fetch_raw_uint (moo_t* moo, moo_uint8_t* rawptr, moo_oow_t offset, int size)
{
moo_oow_t v;
switch (size)
{
case 1:
v = ((struct st_uint8_t*)&rawptr[offset])->v;
break;
case 2:
v = ((struct st_uint16_t*)&rawptr[offset])->v;
break;
case 4:
v = ((struct st_uint32_t*)&rawptr[offset])->v;
break;
#if defined(MOO_HAVE_UINT64_T) && (MOO_SIZEOF_OOW_T >= MOO_SIZEOF_UINT64_T)
case 8:
v = ((struct st_uint64_t*)&rawptr[offset])->v;
break;
#endif
#if defined(MOO_HAVE_UINT128_T) && (MOO_SIZEOF_OOW_T >= MOO_SIZEOF_UINT128_T)
case 16:
v = ((struct st_uint128_t*)&rawptr[offset])->v;
break;
#endif
default:
moo->errnum = MOO_EINVAL;
return MOO_NULL;
}
#define STORE_RAW_INT(value,rawptr,offset,size) \
switch (size) \
{ \
case 1: *(moo_int8_t*)&rawptr[offset] = value; break; \
case 2: *(moo_int16_t*)&rawptr[offset] = value; break; \
case 4: *(moo_int32_t*)&rawptr[offset] = value; break; \
case 8: *(moo_int64_t*)&rawptr[offset] = value; break; \
default: *(moo_int8_t*)&rawptr[offset] = value; break; \
return moo_oowtoint (moo, v);
}
static MOO_INLINE int _store_raw_int (moo_t* moo, moo_uint8_t* rawptr, moo_oow_t offset, int size, moo_oop_t voop)
{
moo_ooi_t w, max, min;
if (moo_inttoooi (moo, voop, &w) == 0) return -1;
/* assume 2's complement */
max = (moo_ooi_t)(~(moo_oow_t)0 >> ((MOO_SIZEOF_OOW_T - size) * 8 + 1));
min = -max - 1;
MOO_DEBUG2 (moo, "MAX = %zd MIN = %zd\n", max, min);
if (w > max || w < min)
{
moo->errnum = MOO_ERANGE;
return -1;
}
#define STORE_RAW_UINT(value,rawptr,offset,size) \
switch (size) \
{ \
case 1: *(moo_uint8_t*)&rawptr[offset] = value; break; \
case 2: *(moo_uint16_t*)&rawptr[offset] = value; break; \
case 4: *(moo_uint32_t*)&rawptr[offset] = value; break; \
case 8: *(moo_uint64_t*)&rawptr[offset] = value; break; \
default: *(moo_uint8_t*)&rawptr[offset] = value; break; \
switch (size)
{
case 1:
((struct st_int8_t*)&rawptr[offset])->v = w;
return 0;
case 2:
((struct st_int16_t*)&rawptr[offset])->v = w;
return 0;
case 4:
((struct st_int32_t*)&rawptr[offset])->v = w;
return 0;
#if defined(MOO_HAVE_INT64_T) && (MOO_SIZEOF_OOW_T >= MOO_SIZEOF_INT64_T)
case 8:
((struct st_int64_t*)&rawptr[offset])->v = w;
return 0;
#endif
#if defined(MOO_HAVE_INT128_T) && (MOO_SIZEOF_OOW_T >= MOO_SIZEOF_INT128_T)
case 16:
((struct st_int128_t*)&rawptr[offset])->v = w;
return 0;
#endif
}
moo->errnum = MOO_EINVAL;
return -1;
}
static MOO_INLINE int _store_raw_uint (moo_t* moo, moo_uint8_t* rawptr, moo_oow_t offset, int size, moo_oop_t voop)
{
int n;
moo_oow_t w, max;
if ((n = moo_inttooow (moo, voop, &w)) <= -1)
{
if (n <= -1) moo->errnum = MOO_ERANGE;
return -1;
}
max = (~(moo_oow_t)0 >> ((MOO_SIZEOF_OOW_T - size) * 8));
MOO_DEBUG2 (moo, "MAX = %zx %zx\n", max, max);
if (w > max)
{
moo->errnum = MOO_ERANGE;
return -1;
}
switch (size)
{
case 1:
((struct st_uint8_t*)&rawptr[offset])->v = w;
return 0;
case 2:
((struct st_uint16_t*)&rawptr[offset])->v = w;
return 0;
case 4:
((struct st_uint32_t*)&rawptr[offset])->v = w;
return 0;
#if defined(MOO_HAVE_UINT64_T) && (MOO_SIZEOF_OOW_T >= MOO_SIZEOF_UINT64_T)
case 8:
((struct st_uint64_t*)&rawptr[offset])->v = w;
return 0;
#endif
#if defined(MOO_HAVE_UINT128_T) && (MOO_SIZEOF_OOW_T >= MOO_SIZEOF_UINT128_T)
case 16:
((struct st_uint128_t*)&rawptr[offset])->v = w;
return 0;
#endif
}
moo->errnum = MOO_EINVAL;
return -1;
}
static moo_pfrc_t _get_system_int (moo_t* moo, moo_ooi_t nargs, int size)
{
moo_uint8_t* rawptr;
moo_int8_t* rawptr;
moo_oow_t offset;
moo_ooi_t value;
moo_oop_t tmp;
MOO_ASSERT (moo, nargs == 2);
@ -3063,9 +3222,7 @@ static moo_pfrc_t _get_system_int (moo_t* moo, moo_ooi_t nargs, int size)
return MOO_PF_SUCCESS;
}
FETCH_RAW_INT (value, rawptr, offset, size);
tmp = moo_ooitoint (moo, value);
tmp = _fetch_raw_int (moo, rawptr, offset, size);
if (!tmp)
{
MOO_STACK_SETRETTOERRNUM (moo, nargs);
@ -3080,7 +3237,6 @@ static moo_pfrc_t _get_system_uint (moo_t* moo, moo_ooi_t nargs, int size)
{
moo_uint8_t* rawptr;
moo_oow_t offset;
moo_oow_t value;
moo_oop_t tmp;
MOO_ASSERT (moo, nargs == 2);
@ -3096,9 +3252,7 @@ static moo_pfrc_t _get_system_uint (moo_t* moo, moo_ooi_t nargs, int size)
return MOO_PF_SUCCESS;
}
FETCH_RAW_UINT (value, rawptr, offset, size);
tmp = moo_oowtoint (moo, value);
tmp = _fetch_raw_uint (moo, rawptr, offset, size);
if (!tmp)
{
MOO_STACK_SETRETTOERRNUM (moo, nargs);
@ -3153,7 +3307,6 @@ static moo_pfrc_t _put_system_int (moo_t* moo, moo_ooi_t nargs, int size)
{
moo_uint8_t* rawptr;
moo_oow_t offset;
moo_ooi_t value;
moo_oop_t tmp;
MOO_ASSERT (moo, nargs == 3);
@ -3162,10 +3315,13 @@ static moo_pfrc_t _put_system_int (moo_t* moo, moo_ooi_t nargs, int size)
if (MOO_OOP_IS_SMPTR(tmp)) rawptr = MOO_OOP_TO_SMPTR(tmp);
else if (moo_inttooow (moo, tmp, (moo_oow_t*)&rawptr) <= 0) goto einval;
if (moo_inttooow(moo, MOO_STACK_GETARG(moo, nargs, 1), &offset) <= 0 ||
moo_inttoooi(moo, MOO_STACK_GETARG(moo, nargs, 2), &value) <= 0) goto einval;
if (moo_inttooow(moo, MOO_STACK_GETARG(moo, nargs, 1), &offset) <= 0) goto einval;
STORE_RAW_INT (value, rawptr, offset, size);
if (_store_raw_int (moo, rawptr, offset, size, MOO_STACK_GETARG(moo, nargs, 2)) <= -1)
{
MOO_STACK_SETRETTOERRNUM (moo, nargs);
return MOO_PF_SUCCESS;
}
MOO_STACK_SETRETTORCV (moo, nargs);
return MOO_PF_SUCCESS;
@ -3179,7 +3335,6 @@ static moo_pfrc_t _put_system_uint (moo_t* moo, moo_ooi_t nargs, int size)
{
moo_uint8_t* rawptr;
moo_oow_t offset;
moo_oow_t value;
moo_oop_t tmp;
MOO_ASSERT (moo, nargs == 3);
@ -3188,10 +3343,13 @@ static moo_pfrc_t _put_system_uint (moo_t* moo, moo_ooi_t nargs, int size)
if (MOO_OOP_IS_SMPTR(tmp)) rawptr = MOO_OOP_TO_SMPTR(tmp);
else if (moo_inttooow (moo, tmp, (moo_oow_t*)&rawptr) <= 0) goto einval;
if (moo_inttooow(moo, MOO_STACK_GETARG(moo, nargs, 1), &offset) <= 0 ||
moo_inttooow(moo, MOO_STACK_GETARG(moo, nargs, 2), &value) <= 0) goto einval;
if (moo_inttooow(moo, MOO_STACK_GETARG(moo, nargs, 1), &offset) <= 0) goto einval;
STORE_RAW_UINT (value, rawptr, offset, size);
if (_store_raw_uint (moo, rawptr, offset, size, MOO_STACK_GETARG(moo, nargs, 2)) <= -1)
{
MOO_STACK_SETRETTOERRNUM (moo, nargs);
return MOO_PF_SUCCESS;
}
MOO_STACK_SETRETTORCV (moo, nargs);
return MOO_PF_SUCCESS;
@ -3245,9 +3403,8 @@ static moo_pfrc_t pf_system_put_uint64 (moo_t* moo, moo_ooi_t nargs)
static moo_pfrc_t _get_smptr_int (moo_t* moo, moo_ooi_t nargs, int size)
{
moo_oop_t rcv;
moo_uint8_t* rawptr;
moo_int8_t* rawptr;
moo_oow_t offset;
moo_ooi_t value;
moo_oop_t result;
MOO_ASSERT (moo, nargs == 1);
@ -3267,12 +3424,10 @@ static moo_pfrc_t _get_smptr_int (moo_t* moo, moo_ooi_t nargs, int size)
rawptr = MOO_OOP_TO_SMPTR(rcv);
FETCH_RAW_INT (value, rawptr, offset, size);
result = moo_ooitoint (moo, value);
result = _fetch_raw_int (moo, rawptr, offset, size);
if (!result)
{
MOO_STACK_SETRETTOERRNUM(moo, nargs);
MOO_STACK_SETRETTOERRNUM (moo, nargs);
return MOO_PF_SUCCESS;
}
@ -3285,7 +3440,6 @@ static moo_pfrc_t _get_smptr_uint (moo_t* moo, moo_ooi_t nargs, int size)
moo_oop_t rcv;
moo_uint8_t* rawptr;
moo_oow_t offset;
moo_oow_t value;
moo_oop_t result;
MOO_ASSERT (moo, nargs == 1);
@ -3305,9 +3459,7 @@ static moo_pfrc_t _get_smptr_uint (moo_t* moo, moo_ooi_t nargs, int size)
rawptr = MOO_OOP_TO_SMPTR(rcv);
FETCH_RAW_UINT (value, rawptr, offset, size);
result = moo_oowtoint (moo, value);
result = _fetch_raw_uint (moo, rawptr, offset, size);
if (!result)
{
MOO_STACK_SETRETTOERRNUM(moo, nargs);
@ -3362,7 +3514,6 @@ static moo_pfrc_t _put_smptr_int (moo_t* moo, moo_ooi_t nargs, int size)
{
moo_uint8_t* rawptr;
moo_oow_t offset;
moo_ooi_t value;
moo_oop_t tmp;
MOO_ASSERT (moo, nargs == 2);
@ -3370,20 +3521,23 @@ static moo_pfrc_t _put_smptr_int (moo_t* moo, moo_ooi_t nargs, int size)
tmp = MOO_STACK_GETRCV(moo, nargs);
if (!MOO_OOP_IS_SMPTR(tmp))
{
moo->errnum = MOO_EMSGRCV;
return MOO_PF_HARD_FAILURE;
MOO_STACK_SETRETTOERROR (moo, nargs, MOO_EMSGRCV);
return MOO_PF_SUCCESS;
}
rawptr = MOO_OOP_TO_SMPTR(tmp);
if (moo_inttooow(moo, MOO_STACK_GETARG(moo, nargs, 0), &offset) <= 0 ||
moo_inttoooi(moo, MOO_STACK_GETARG(moo, nargs, 1), &value) <= 0)
if (moo_inttooow(moo, MOO_STACK_GETARG(moo, nargs, 0), &offset) <= 0)
{
MOO_STACK_SETRETTOERROR (moo, nargs, MOO_EINVAL);
return MOO_PF_SUCCESS;
}
STORE_RAW_INT (value, rawptr, offset, size);
if (_store_raw_int (moo, rawptr, offset, size, MOO_STACK_GETARG(moo, nargs, 1)) <= -1)
{
MOO_STACK_SETRETTOERRNUM (moo, nargs);
return MOO_PF_SUCCESS;
}
MOO_STACK_SETRETTORCV (moo, nargs);
return MOO_PF_SUCCESS;
@ -3393,7 +3547,6 @@ static moo_pfrc_t _put_smptr_uint (moo_t* moo, moo_ooi_t nargs, int size)
{
moo_uint8_t* rawptr;
moo_oow_t offset;
moo_oow_t value;
moo_oop_t tmp;
MOO_ASSERT (moo, nargs == 2);
@ -3401,20 +3554,23 @@ static moo_pfrc_t _put_smptr_uint (moo_t* moo, moo_ooi_t nargs, int size)
tmp = MOO_STACK_GETRCV(moo, nargs);
if (!MOO_OOP_IS_SMPTR(tmp))
{
moo->errnum = MOO_EMSGRCV;
return MOO_PF_HARD_FAILURE;
MOO_STACK_SETRETTOERRNUM (moo, MOO_EMSGRCV);
return MOO_PF_SUCCESS;
}
rawptr = MOO_OOP_TO_SMPTR(tmp);
if (moo_inttooow(moo, MOO_STACK_GETARG(moo, nargs, 0), &offset) <= 0 ||
moo_inttooow(moo, MOO_STACK_GETARG(moo, nargs, 1), &value) <= 0)
if (moo_inttooow(moo, MOO_STACK_GETARG(moo, nargs, 0), &offset) <= 0)
{
MOO_STACK_SETRETTOERROR (moo, nargs, MOO_EINVAL);
return MOO_PF_SUCCESS;
}
STORE_RAW_UINT (value, rawptr, offset, size);
if (_store_raw_uint (moo, rawptr, offset, size, MOO_STACK_GETARG(moo, nargs, 1)) <= -1)
{
MOO_STACK_SETRETTOERRNUM (moo, nargs);
return MOO_PF_SUCCESS;
}
MOO_STACK_SETRETTORCV (moo, nargs);
return MOO_PF_SUCCESS;